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Century Spring

73528CS - 12" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 12 coils and closed & ground ends. This spring features an O.D. of 4.156", and an I.D. of 3.032".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73528
Ends Closed & Ground
Finish None
Free Length 12 in
Inside Diameter 3.032 in
Material Oil Tempered
Outside Diameter 4.156 in
Part Type Standard
Rate 309 lbs/in
SKU 73528CS
Solid Length 6.74 in
Suggested Max Deflection 3.5 in
Suggested Max Load 1081 lbf
Total Coils 12
Wire Diameter 0.562 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73528
Ends Closed & Ground
Finish None
Free Length 304.8 mm
Inside Diameter 77.01 mm
Material Oil Tempered
Outside Diameter 105.56 mm
Part Type Standard
Rate 54.11 N/mm
SKU 73528CS
Solid Length 171.2 mm
Suggested Max Deflection 88.9 mm
Suggested Max Load 4808.29 N
Total Coils 12
Wire Diameter 14.27 mm
The 73528 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality oil tempered and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The 73528CS compression spring is designed with a free length of 10" total of 10.2 coils, and a rate of 377 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 73528 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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